Home / 13,828.46-19,083.30-7,540.88

Finding the Fourth Proportional to 13,828.46, 19,083.30 and 7,540.88

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Solution

The fourth proportional to 13,828.46, 19,083.30 and 7,540.88 is: 10,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.46 : 19,083.30 = 7,540.88 : x
  2. Step 2: Convert to fraction form
    13,828.46/19,083.30 = 7,540.88/x
  3. Step 3: Cross multiply
    13,828.46x = 19,083.30 × 7,540.88
  4. Step 4: Simplify right side
    13,828.46x = 143,904,875.30
  5. Step 5: Solve for x
    x = 143,904,875.30/13,828.46
  6. Step 6: Final answer
    x = 10,406.43

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